Andrographis atropurpurea

Andrographis atropurpurea (Dennst.) Alston, Taxon 26: 539 1977. (Syn: Andrographis gracilis Nees; .; Justicia atropurpurea Dennst. (Unresolved));
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Suberect undershrubs; stems hairy. Leaves to 10 x 4 cm, ovate, acuminate, broadest at base, glabrous; nerves 4 or 5 pairs, subprominent; petiole 0-5 mm long. Panicle with long lax racemes, scabrid; bracts and bracteoles subulate. Flowers distant; calyx lobes 5 mm long, subulate, hairy; corolla 18 mm long, glabrous, upper lip orbicular, retuse, dark brown, lower lip shallowly lobed, light pink with brown spots; lower anther bases bearded. Capsule 22 x 3 mm, oblong, glandular hairy; seeds 8, orbicular, glabrous.

Flowering and fruiting: July-September
Openings in evergreen and semi-evergreen forests
Western Ghats (Endemic)
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal)
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Wild Flower for Bot. ID-080110-RK-2 : 6 posts by 4 authors. Attachments (2)
Less than 1cm across. Found at base of Kallipaara Hill, Thattekad, Kerala. Pic taken on11-12-09 at 9.30am. Request ID. Thank you.

this is Andrographis (Acanthaceae). We need more details like habit, leaves, etc to tell you the species name.

Thank you v. much … I was v. keen on getting the id of this flower. I thought this plant was only one of it’s kind!-& hence easily identifiable. I have taken pictures of this from different places in Thattekad & will send them after going thro’ them in order to get the complete ID.

Here are some more photographs. The first one are leaves of the plant i have already sent a pic of & taken at base of Kallipara hill at the same time. The last three were taken in Edamalayar Forest on 09-12-09 at around 7.15 am. I hope these can help towards arriving at a clearer ID. The first one had actually appeared more elongated & i was mistaken in writing the size -which applies more to the 2nd set of pictures.
Attachments (4)

Andrographis sps.

Seems to be Andrographis atro-purpurea [= A. wightiana]

I guess correct ID

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127 ID wild plant Andrographis: 16 images.

Please ID wild plant,
Location: near Reserve Forest, Chathamattom, Ernakulam District, (Kochi) Kerala PIN:686671
Altitude: 1400fsl
Flower date: 15.08.2021, 12.05pm
Habitat: wild moisture
Plant habit: under shrub, erect, branches, semi-hard stem, hairy, annual
Height: 03 feet
Leaves: opposite, oblong, apex, bitter taste, size:8×3cm
Flower: racemize, size:11×5×2mm, white with brown shade, non fragrant
Fruit: beans green into brown, size:13×2mm,
Seed: brown, upto 6 nos., pear shaped, size:2×1.5mm
Camera: mobile Samsung Galaxy A21s

Andrographis atropurpurea- beautiful pictures

Thank you for ID suggestion and appreciation dear Kingstone Foundation. It is very similar but my plant is petiole less

Sharing one more image

To me also appears close as per images at Andrographis atropurpurea and as per keys in Reinstatement and Lectotypification of Andrographis gracilis(Acanthaceae), a Lesser Known Endemic Species fromSouthern Western Ghats, India

I need to see the leaves, is it clasping at the base with terminal pyramidal racemose (panicle) inflorescence….. Andrographis atropurpurea.

Thank you very much for the ID suggestion of my plant. It is more similar to Andrographis atropurpurea, but my plant is petiole less. Please check the collage image, first one is stem of Andrographis macrobotrys, other two are of the said plant.

Sharing more images

Sharing more information and images:

It’s petiole have only 01 mm length.
Leaf’s under midrib is purple coloured

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